Bok
05-01-2025, 10:15 AM
Cassiopeia A (Cas A) is a supernova remnant located about 11,000 light-years from Earth in the constellation Cassiopeia. It spans approximately 10 light-years.
More... (https://www.nasa.gov/image-detail/3dmodels-casa-2025-astro-2/)
More... (https://www.nasa.gov/image-detail/3dmodels-casa-2025-astro-2/)